Measurement and Instrumentation Figure show an RC potentiometer to measure AC voltage. It is desire that Vo/Vi should be independent of frequency. The value of C shoud be 0.09 µF. 11 µF. 10 µF. 0.1 µF. 0.09 µF. 11 µF. 10 µF. 0.1 µF. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation In two wattmeter method of power measurement if the total power is measured by one wattmeter only then power factor of the system is 1. none of above. 0.5. 0. 1. none of above. 0.5. 0. ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A first order instrument is characterized by Static sensitivity and damping coefficient Time constant only Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and time constant Static sensitivity and damping coefficient Time constant only Static sensitivity, damping coefficient and natural frequency of oscillations Static sensitivity and time constant ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The EMF of Weston standard cell is measured using Digital Volt meter Potentiometer Moving- iron meter Moving-coil meter Digital Volt meter Potentiometer Moving- iron meter Moving-coil meter ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation A spring controlled indicating instrument has a deflection of 90deg for maximum current I. The corresponding deflection for a gravity controlled instrument is 120° 90° 30° 0° 120° 90° 30° 0° ANSWER DOWNLOAD EXAMIANS APP
Measurement and Instrumentation The total current I = I1 + I2 in a circuit is measured as I1 = 150 ± 1A , I2 = 250 ± 2A, where the limits of error are as standard deviations. I is measured as (400 ± 3) A (400 ± 1.5) A (400 ± 1) A (400 ± 2.24) A (400 ± 3) A (400 ± 1.5) A (400 ± 1) A (400 ± 2.24) A ANSWER DOWNLOAD EXAMIANS APP
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